Major Engineering Events in History: Stonehenge is Built 1800-1450 B.C.
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About the major engineering events in history, the contruction of Stonehenge Monument around 1800-1450 B.C.
Great Engineering Feats from Early Times to the Present
1800-1450 B.C. (Stonehenge--Man's 1st Celestial Observatory). This ancient monument located on Salisbury Plain in Wiltshire, England, remained a mystery to modern man until 1963, when Gerald S. Hawkins of the Smithsonian Astrophysical Observatory suggested that these monoliths were remnants of an astronomical calendar. (See also: Mysterious Happenings in History, Chap. 29.)
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